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3 Maintenance
•
CAUTION
•
This product contains no operator serviceable parts. Service and repair shall only be carried out by personnel
trained and certified by ALPHATRON MARINE.
Maintenance and repair of the Rudder Feedback Unit should only be performed by personnel that is familiar with the
Alphatron Rudder Feedback Unit.
•
CAUTION
•
When cleaning the surface, do not use any organic solvent such as thinner or benzine. Otherwise, the paint
and markings on the surface may get damaged. For cleaning the surface, remove the dust and debris and
wipe with a clean dry cloth.
3.1 Rudder Feedback Unit Maintenance
Before starting maintenance on the Rudder Feedback Unit, make sure the rudder is securely chained in its zero position.
Note
•
CAUTION
•
For safe and reliable operation of the Rudder Feedback Unit, use only specified Alphatron parts.
3.1.1 RFU Chain Transmission Maintenance
The chain used on the Rudder Feedback Unit does not need lubrication. The chain is lube-free due to its plastic rollers.
The plastic of these rollers will automatically lubricate the chain and the sprockets it runs over.
Yearly maintenance tasks:
1. Check if the mounting bolts of the Rudder Feedback Unit are still properly fastened.
2. Check if the screws of the feedback sprocket, i.e. the screws that fasten the sprocket to the axle, are properly
fastened.
INFO: If the screws are loose, apply new Loctite 243 before fastening the screws.
3. Check if the screws of the rudder sprocket, i.e. the screws that fasten the sprocket to the axle, are properly fastened.
INFO: If the screws are loose, apply new Loctite 243 before fastening the screws.
4. Check if the screws and bolts of the chain connection (tensioner) are properly fastened.
INFO: If the screws are loose, apply new Loctite 243 before fastening the screws.
5. Check if the screws and bolts of the chain connection (spring) are properly fastened.
INFO: If the screws are loose, apply new Loctite 243 before fastening the screws.
6. Check the chain connection for any damage and wear.
7. Check the teeth of the feedback sprocket for any damage and wear.
8. Check the teeth of the rudder sprocket for any damage and wear.
9. Check the backlash of the chain part.
3.1.2 RFU Linkage Transmission Maintenance
Yearly maintenance tasks:
1. Check if all screws and bolts are properly fastened.
2. Check if all joints are still greased properly.
3. Check if the 90 degrees angle of the rod still exists.
21 | Maintenance
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